[IPv6]: Exclude truncated packets from InHdrErrors statistics
Incoming trancated packets are counted as not only InTruncatedPkts but
also InHdrErrors. They should be counted as InTruncatedPkts only.
Signed-off-by: Mitsuru Chinen <mitch@linux.vnet.ibm.com>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 11bfc7c..61e7a6c 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -108,8 +108,10 @@
/* pkt_len may be zero if Jumbo payload option is present */
if (pkt_len || hdr->nexthdr != NEXTHDR_HOP) {
- if (pkt_len + sizeof(struct ipv6hdr) > skb->len)
- goto truncated;
+ if (pkt_len + sizeof(struct ipv6hdr) > skb->len) {
+ IP6_INC_STATS_BH(idev, IPSTATS_MIB_INTRUNCATEDPKTS);
+ goto drop;
+ }
if (pskb_trim_rcsum(skb, pkt_len + sizeof(struct ipv6hdr))) {
IP6_INC_STATS_BH(idev, IPSTATS_MIB_INHDRERRORS);
goto drop;
@@ -128,8 +130,6 @@
rcu_read_unlock();
return NF_HOOK(PF_INET6,NF_IP6_PRE_ROUTING, skb, dev, NULL, ip6_rcv_finish);
-truncated:
- IP6_INC_STATS_BH(idev, IPSTATS_MIB_INTRUNCATEDPKTS);
err:
IP6_INC_STATS_BH(idev, IPSTATS_MIB_INHDRERRORS);
drop: